5310-00-275-8277

Find complete technical information, availability, and procurement data for: 5310-00-275-8277
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-275-8277

Item Name Code

29732

Assigment Date

01/01/1961 (65 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

prevailing torque all metal design locking feature, right-hand thread direction, 2b thread class, single ball seat, hexagon nut style, 0.750 inches nominal ball seat radius

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2b
Thread Direction: right-hand
Locking Feature: prevailing torque all metal design
Nut Style: single ball seat, hexagon
Ball Seat Radius: 0.750 inches nominal
Nut Height: 0.875 inches nominal
Width Across Flats: 0.737 inches minimum and 0.750 inches maximum
Thread Series: unf
Features Provided: removable collar
Thread Quantity Per Inch: 20
Nominal Thread Size: 0.500 inches
Material: steel overall
Surface Treatment: cadmium overall

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
2045401	Single Ball Sea Self-Locking Nut
5296773	Single Ball Sea Self-Locking Nut
C4252	Single Ball Sea Self-Locking Nut

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5310-00-275-8277?

The FSCG of the NSN 5310-00-275-8277 is 5310

Does the NSN 5310-00-275-8277 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-275-8277 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5310-00-275-8277 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-275-8277 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5310-00-275-8277 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961